Administrative Areas of Northern Ireland

The first table below
shows the historic counties and their administrative sub-divisions before
the 1973 changes and lists the successor districts for each, that
is the post-change districts which contain some or all of the original county
area. The second table lists the districts after these changes.

The first table also shows the Chapman County Codes (CCC) for each county. These are unique 3 letter
codes.

Additional information is provided where appropriate and available -
the common abbreviation for the area; and the Chapman County Code (CCC), a unique 3 letter code for
counties and regions.